1999  Ph.D. - Kyushu University, Fukuoka, Japan.

        Dissertation: "The Evolution of Social Interaction in a Spatially Structured Population".
        Advisor - Professor Yoh Iwasa (Theoretical Biology)

1996-1998 Ph.D. cource, Graduate School of Science, Kyushu University, Japan.
   Thesis adviser was Professor Yoh Iwasa (Theoretical Biology)

1996  M. A. - Nagoya University (Mathematical Analysis of Social     Informations), Nagoya, Japan

1994   B.S. - Nagoya University (Chemistry)

2000-Current   Assistant professor, Dep. Systems Engineering, Shizuoka University (tenuared position)

1998-2000 Postdoctooral Fellow, CREST (Core Research for Evolutional Science    and Technology) At Department of Biology, Kyushu University

2001-2002 long-termed young Researcher abroad supported by Ministry of Culture and Education, Japan
                     (Staying at Dep. EEB, Princeton University, USA)